Hellow guys, Welcome to my website, and you are watching 【8分】美しい背中&姿勢をつくる!立ったまま出来る背中トレーニング. and this vIdeo is uploaded by ゆうか(Yuuka Sagawa) at 2021-04-03T04:00:05-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.